3 years ago

What is the product of (-4)(7) and why?

Mathematics

2 answers:

Kryger [21]3 years ago

6 0

Answer:

Step-by-step explanation:

The answer is B.

weqwewe [10]3 years ago

5 0

Answer:

Step-by-step explanation:

negative 4 means that the 7 is being removed 4 times.

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3 years ago

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3 years ago

What is the solution of the following question?<br> x^2+10x+25=12

zalisa [80]

Make equal to 0
minus 12from both sides
x^2+10x+13=0
we can't factor so use quadratic formula

x= $\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}$
x= $\frac{-10+/- \sqrt{10^{2}-4(1)(13)} }{2(1)}$
x= $\frac{-10+/- \sqrt{100-52} }{2}$
x= $\frac{-10+/- \sqrt{48} }{2}$
x= $\frac{-10+/- 4\sqrt{3} }{2}$
x= $-5+/- 2\sqrt{3}$

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aprox
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3 years ago

Read 2 more answers

A number is divided by 3. That quotient is increased by 12. The result is 46. Find the number.

anzhelika [568]

Let the number be x.

x/3 + 12 = 46

Subtract 12 from both sides and you will get:

x/3 = 34

Multiply both sides by 3:

x = 102

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